Injection mold capable of adjusting flow of rubber feeding channel

Abstract

The utility model provides an injection mold capable of adjusting the flow of a glue feeding channel, and particularly relates to the technical field of injection molds. The mold comprises a front mold plate, a rear mold plate and a plurality of adjustable runner inserts, the top of the rear mold plate is provided with a material channel area and two forming areas located on the front side and the rear side of the material channel area. A plurality of glue feeding channels are arranged in the material channel area at equal intervals, and a main glue inlet is formed in the middle of each glue feeding channel; two sliding grooves penetrating through the glue feeding channel are symmetrically formed in the positions, close to the two ends of the glue feeding channel, of the two sides of the main glue inlet, inner cavities of the sliding grooves are communicated with the glue feeding channel, and the adjustable runner inserts are slidably connected with the sliding grooves. The device is simple in structure and convenient to operate; by adjusting the relative position of the insert runner of the adjustable runner insert and the glue feeding channel, the flow of the glue feeding channel is controlled, and the problem that the glue feeding amount of a traditional channel cannot be adjusted is well solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely relates to an injection mold with adjustable glue feeding channel flow. BACKGROUND

[0002] Injection mold is an important tool for manufacturing plastic products in industrial production. In the injection molding process, plastic melt enters the mold cavity through the channel, and forms the required product after cooling. However, the current injection molding industry in the production of product size, thick and thin different one two cavity injection mold, the injection mold branch design of glue feeding channel section is fixed, in a set of mold one channel respectively two different size products, it is difficult to accurately adjust the size of two different products glue feeding amount; and using this injection production, when one of the products is curved deformation, lack of material, overflow burr, shrinkage, size does not meet the technical requirements, and the other product is qualified, the unqualified product cannot be adjusted separately, only two products can be adjusted at the same time, which increases the process difficulty.

[0003] Therefore, how to realize the flexible adjustment of the glue feeding flow of the channel becomes an important direction of the development of injection mold technology. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides an injection mold with adjustable glue feeding channel flow, and the specific technical scheme is as follows:

[0005] An injection mold with adjustable glue feeding channel flow, comprising a front mold plate, a rear mold plate and a plurality of adjustable channel inserts; the top of the rear mold plate is provided with a channel area and two molding areas located on the front and rear sides of the channel area; the channel area is provided with a plurality of glue feeding channels at equal intervals along the length direction, and the middle position of each glue feeding channel is provided with a main glue feeding port; two grooves penetrating the glue feeding channel are symmetrically arranged at positions close to the two ends of the glue feeding channel on both sides of the main glue feeding port, the grooves are arranged perpendicularly to the glue feeding channel, and the inner cavity of the groove is in communication with the glue feeding channel; one side of the adjustable channel insert is provided with a structure to form an insert channel; the other side of the adjustable channel insert is vertically provided with a through groove; the adjustable channel insert is slidably connected with the groove, and is threadedly fixed with the bolt hole at the bottom of the groove after the bolt is inserted into the through groove; by adjusting the relative position of the insert channel of the adjustable channel insert and the glue feeding channel, the flow of the glue feeding channel is controlled.

[0006] Preferably, the height of the adjustable channel insert and the depth of the groove match the depth of the glue feeding channel; the length of the adjustable channel insert is less than the length of the groove.

[0007] Preferably, the width of the insert channel is the same as the width of the glue feeding channel.

[0008] Preferably, the two ends of the glue feeding channel are communicated with two forming areas respectively.

[0009] Further preferably, each main glue feeding port is provided with a sub hot nozzle.

[0010] Further preferably, the sub hot nozzle is connected with the main hot nozzle through a flow distribution plate.

[0011] The utility model discloses the beneficial effects are:

[0012] The utility model discloses simple structure, convenient operation, through the communication area size of the insert flow channel of adjustable flow channel insert piece and glue feeding channel, realize the control of glue feeding channel flow, very good solution traditional material channel cannot adjust the problem of glue feeding amount. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings constitute the specification of the present application for providing further understanding of the present application, and do not constitute undue limitation on the present application.

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the structure schematic diagram of adjustable flow channel insert piece;

[0016] Figure 3 (a) is the relative position schematic diagram of adjustable flow channel insert piece and glue feeding channel when large flow is adjusted;

[0017] Figure 3 (b) is the relative position schematic diagram of adjustable flow channel insert piece and glue feeding channel when small flow is adjusted;

[0018] In the drawing, 1-back template;101-forming area;102-material channel area;2-glue feeding channel;3-main glue feeding port;4-slotted link;401-bolt hole;5-adjustable flow channel insert piece;501-insert piece flow channel;502-through slot. DETAILED DESCRIPTION

[0019] The specific implementation of the injection mold with adjustable glue feeding channel flow provided by the utility model is further described in combination with the drawings and examples.

[0020] An injection mold with adjustable glue feeding channel flow, comprising a front mold plate, a back mold plate 1 and a plurality of adjustable flow channel insert pieces 5. Among them, the top of the back mold plate 1 is provided with a material channel area 102 and two forming areas 101 located on the front and back of the material channel area 102.

[0021] Preferably, the material channel area 102 is provided with a plurality of glue feeding channels 2 at equal intervals along the length direction, and a main glue feeding port 3 is arranged at the middle position of each glue feeding channel 2.

[0022] Preferably, two sides of the main glue inlet 3 are symmetrically provided with two chutes 4 penetrating the glue channel 2 near the ends of the glue channel 2; it is worth noting that the chute 4 is vertically arranged between the glue channel 2, and the inner cavity of the chute 4 is communicated with the glue channel 2.

[0023] Preferably, one side of the adjustable flow channel insert 5 is provided with a structure to form an insert flow channel 501; the other side of the adjustable flow channel insert 5 is vertically provided with a through groove 502 for limiting; the adjustable flow channel insert 5 is slidingly connected between the chute 4, and is screwed into the through groove 502 and is screwed with the bolt hole 401 at the bottom of the chute 4 to realize the limiting and fixing of the adjustable flow channel insert 5 in the chute 4.

[0024] Preferably, the two ends of the glue channel 2 are respectively communicated with two forming areas 101 to complete the feeding of the forming area 101.

[0025] It is also preferred that each main glue inlet 3 is provided with a secondary hot nozzle, and the secondary hot nozzle is connected with the main hot nozzle through a flow distribution plate.

[0026] It is worth noting that the height of the adjustable flow channel insert 5 and the depth of the chute 4 are matched with the depth of the glue channel 2; the length of the adjustable flow channel insert 5 is less than the length of the chute 4; and the width of the insert flow channel 501 is the same as the width of the glue channel 2.

[0027] In use, when the glue channel 2 needs large flow injection, the insert flow channel 501 of the adjustable flow channel insert 5 is slid towards one side of the glue channel 2, when the cross section of the insert flow channel 501 and the glue channel 2 just overlaps, at this time, the insert flow channel 501 and the glue channel 2 are completely communicated, and the glue feeding amount is maximum; then the bolt is inserted into the through groove 502 of the adjustable flow channel insert 5 and is screwed with the bolt hole 401 at the bottom of the chute 4.

[0028] When the glue channel 2 needs to adjust the small flow injection, the insert flow channel 501 of the adjustable flow channel insert 5 is slid towards the side away from the glue channel 2, so that the insert flow channel 501 of the adjustable flow channel insert 5 is staggered with the glue channel 2, and the size of the communication area of the insert flow channel 501 and the glue channel 2 is controlled to realize the control of the glue feeding flow; if it is needed to stop the glue feeding, the insert flow channel 501 and the glue channel 2 are completely staggered, and then the bolt is inserted into the through groove 502 of the adjustable flow channel insert 5 and is screwed with the bolt hole 401 at the bottom of the chute 4.

[0029] The utility model discloses simple structure, convenient operation, through the communication area size of the insert flow channel of adjustable flow channel insert and glue channel, realize the control of glue channel flow, very good solution traditional material channel cannot adjust the problem of glue amount.

[0030] In the utility model, the terms such as "upper", "lower", "bottom", "top" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely the relationship words determined for the convenience of describing the structural relationship of the components or elements of the utility model, and are not specific to the components or elements of the utility model, and should not be understood as the limitation of the utility model. The terms such as "connected", "connected" and the like should be understood in a broad sense, which means that it can be fixedly connected, integrally connected or detachably connected; it can be directly connected or indirectly connected through an intermediate medium. For the relevant scientific research or technical personnel in the field, the specific meaning of the above terms in the utility model can be determined according to the specific circumstances, and should not be understood as the limitation of the utility model.

[0031] Of course, the above description is not a limitation of the utility model, and the utility model is also not limited to the above examples. The changes, modifications, additions or replacements made by the technical personnel in the technical field within the essential scope of the utility model should also belong to the protection scope of the utility model.

Claims

1. An injection mold with adjustable gate flow, characterized in that, It comprises a front template, a rear template and several adjustable runner inserts; the rear template is provided with a material channel area and two forming areas on the front and back of the material channel area; the material channel area is provided with several glue feeding material channels at equal intervals along the length direction, and a main glue feeding port is arranged at the middle position of each glue feeding material channel; Two symmetrical slide grooves are arranged at the positions close to the two ends of the glue feeding material channel on the two sides of the main glue feeding port, the slide grooves are arranged perpendicularly to the glue feeding material channel, and the inner cavity of the slide groove is communicated with the glue feeding material channel; One side of the adjustable runner insert is provided with a structure for accommodation, forming an insert runner; the other side of the adjustable runner insert is provided with a vertical through groove; The adjustable runner insert is slidably connected with the slide groove, and is fixed by screwing the bolt into the through groove and the bolt hole at the bottom of the slide groove; the flow of the glue feeding material channel is controlled by adjusting the relative position of the insert runner of the adjustable runner insert and the glue feeding material channel.

2. The flow-adjustable gate injection mold according to claim 1, wherein, The height of the adjustable runner insert and the depth of the slide groove are matched with the depth of the glue feeding material channel; the length of the adjustable runner insert is less than the length of the slide groove.

3. The flow-adjustable gate injection mold according to claim 2, wherein, The width of the insert runner is the same as the width of the glue feeding material channel.

4. The flow-adjustable gate injection mold of claim 1, wherein, The two ends of the glue feeding material channel are communicated with the two forming areas respectively.

5. The flow adjustable gate injection mold of claim 1 wherein, Each main glue feeding port is provided with a secondary hot nozzle.

6. The flow-adjustable gate injection mold of claim 5, wherein, The secondary hot nozzle is connected with the main hot nozzle through a shunt plate.

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